// Copyright (c) 2014-present, Facebook, Inc. All rights reserved.
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//
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// You are hereby granted a non-exclusive, worldwide, royalty-free license to use,
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// copy, modify, and distribute this software in source code or binary form for use
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// in connection with the web services and APIs provided by Facebook.
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//
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// As with any software that integrates with the Facebook platform, your use of
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// this software is subject to the Facebook Developer Principles and Policies
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// [http://developers.facebook.com/policy/]. This copyright notice shall be
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// included in all copies or substantial portions of the software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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// FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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// COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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// IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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// CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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#import <Foundation/Foundation.h>
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#import <FBSDKShareKit/FBSDKSharingContent.h>
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@protocol FBSDKSharingDelegate;
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/*!
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@abstract The common interface for components that initiate sharing.
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@see FBSDKShareDialog
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@see FBSDKMessageDialog
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@see FBSDKShareAPI
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*/
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@protocol FBSDKSharing <NSObject>
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/*!
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@abstract The receiver's delegate or nil if it doesn't have a delegate.
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*/
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@property (nonatomic, weak) id<FBSDKSharingDelegate> delegate;
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/*!
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@abstract The content to be shared.
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*/
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@property (nonatomic, copy) id<FBSDKSharingContent> shareContent;
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/*!
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@abstract A Boolean value that indicates whether the receiver should fail if it finds an error with the share content.
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@discussion If NO, the sharer will still be displayed without the data that was mis-configured. For example, an
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invalid placeID specified on the shareContent would produce a data error.
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*/
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@property (nonatomic, assign) BOOL shouldFailOnDataError;
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/*!
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@abstract Validates the content on the receiver.
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@param errorRef If an error occurs, upon return contains an NSError object that describes the problem.
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@return YES if the content is valid, otherwise NO.
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*/
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- (BOOL)validateWithError:(NSError **)errorRef;
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@end
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/*!
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@abstract The common interface for dialogs that initiate sharing.
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*/
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@protocol FBSDKSharingDialog <FBSDKSharing>
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/*!
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@abstract A Boolean value that indicates whether the receiver can initiate a share.
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@discussion May return NO if the appropriate Facebook app is not installed and is required or an access token is
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required but not available. This method does not validate the content on the receiver, so this can be checked before
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building up the content.
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@see [FBSDKSharing validateWithError:]
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@result YES if the receiver can share, otherwise NO.
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*/
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- (BOOL)canShow;
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/*!
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@abstract Shows the dialog.
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@result YES if the receiver was able to begin sharing, otherwise NO.
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*/
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- (BOOL)show;
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@end
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/*!
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@abstract A delegate for FBSDKSharing.
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@discussion The delegate is notified with the results of the sharer as long as the application has permissions to
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receive the information. For example, if the person is not signed into the containing app, the sharer may not be able
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to distinguish between completion of a share and cancellation.
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*/
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@protocol FBSDKSharingDelegate <NSObject>
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/*!
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@abstract Sent to the delegate when the share completes without error or cancellation.
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@param sharer The FBSDKSharing that completed.
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@param results The results from the sharer. This may be nil or empty.
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*/
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- (void)sharer:(id<FBSDKSharing>)sharer didCompleteWithResults:(NSDictionary *)results;
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/*!
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@abstract Sent to the delegate when the sharer encounters an error.
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@param sharer The FBSDKSharing that completed.
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@param error The error.
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*/
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- (void)sharer:(id<FBSDKSharing>)sharer didFailWithError:(NSError *)error;
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/*!
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@abstract Sent to the delegate when the sharer is cancelled.
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@param sharer The FBSDKSharing that completed.
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*/
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- (void)sharerDidCancel:(id<FBSDKSharing>)sharer;
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@end
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